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San Francisco to New York flights in December 2026 from $175 SFO → EWR, JFK, LGA

San Francisco International Airport (SFO) → Newark Liberty International Airport (EWR), John F. Kennedy International Airport (JFK), LaGuardia Airport (LGA)

For departures in December 2026, the cheapest return found recently is $321 with Alaska Airlines, 3 Dec – 8 Dec, found 2 days ago. The cheapest one-way found recently is $175 with jetBlue, 3 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually $322 to $451. Across all 25 departure dates we hold on this route, it is usually $335 to $465. Of the 3 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$321

3 Dec – 8 Dec · Alaska Airlines

San Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$303

7 Dec – 24 Jan 2027 · United Airlines

San Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)

out nonstop, back nonstop

found 5 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
7 Dec – 24 Jan 2027$303United Airlinesout nonstop, back nonstopfound 5 days agoSee prices for these dates
16 Dec – 18 Jan 2027$313jetBlueout nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Dec – 8 Dec$321Alaska Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 9 Dec$323Frontier Airlinesout 1 stop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 16 Dec$335jetBlueout 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Every date we hold

11 departure dates

1 Dec – 5 Dec: $336, found 4 days ago3 Dec – 8 Dec: $321, found 2 days ago6 Dec – 9 Dec: $323, found 6 days ago7 Dec – 24 Jan 2027: $303, found 5 days ago11 Dec – 16 Dec: $335, found 2 days ago16 Dec – 18 Jan 2027: $313, found 3 days ago19 Dec – 28 Dec: $600, found 8 days ago21 Dec – 28 Dec: $577, found 2 days ago24 Dec – 29 Dec: $512, found 5 days ago29 Dec – 13 Jan 2027: $390, found 2 days ago30 Dec – 8 Jan 2027: $376, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 5 Dec$336United AirlinesSan Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)out 1 stop, back nonstopfound 4 days agoSee prices for these dates
3 Dec – 8 Dec$321Alaska AirlinesSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)out nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 9 Dec$323Frontier AirlinesSan Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
7 Dec – 24 Jan 2027$303United AirlinesSan Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)out nonstop, back nonstopfound 5 days agoSee prices for these dates
11 Dec – 16 Dec$335jetBlueSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
16 Dec – 18 Jan 2027$313jetBlueSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)out nonstop, back nonstopfound 3 days agoSee prices for these dates
19 Dec – 28 Dec$600Frontier AirlinesSan Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)out 2 stops, back 2 stopsfound 8 days agoSee prices for these dates
21 Dec – 28 Dec$577United AirlinesSan Francisco International Airport (SFO) → LaGuardia Airport (LGA)out 1 stop, back nonstopfound 2 days agoSee prices for these dates
24 Dec – 29 Dec$512United AirlinesSan Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
29 Dec – 13 Jan 2027$390jetBlueSan Francisco International Airport (SFO) → LaGuardia Airport (LGA)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
30 Dec – 8 Jan 2027$376United AirlinesSan Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)out 1 stop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

January 2027 is the cheapest month — from $271.

November 2026From $4236 departure dates14 Nov – 17 Nov · found 8 days agoSee prices for these dates
December 2026From $30311 departure dates7 Dec – 24 Jan 2027 · found 5 days agoSee prices for these dates
January 2027From $271Cheapest seen6 departure dates19 Jan 2027 – 26 Jan 2027 · found 7 days agoSee prices for these dates
April 2027From $3991 departure date26 Apr 2027 – 29 Apr 2027 · found 2 days agoSee prices for these dates
July 2027From $3841 departure date24 Jul 2027 – 28 Jul 2027 · found 6 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 8 departure dates is usually $173 to $209. Across all 21 departure dates we hold on this route, it is usually $182 to $199. Of the 2 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$175

3 Dec · jetBlue

San Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)

1 stop

found 2 days ago

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Cheapest we hold, of any age

$127

8 Dec · jetBlue

San Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)

nonstop

found 3 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
8 Dec$127jetBluenonstopfound 3 days agoOpen this trip
6 Dec$165jetBluenonstopfound 3 days agoOpen this trip
3 Dec$175jetBlue1 stopfound 2 days agoOpen this trip
2 Dec$179Alaska Airlines1 stopfound 6 days agoOpen this trip
10 Dec$182Alaska Airlinesnonstopfound 6 days agoOpen this trip

Every date we hold

8 departure dates

2 Dec: $179, found 6 days ago3 Dec: $175, found 2 days ago6 Dec: $165, found 3 days ago8 Dec: $127, found 3 days ago10 Dec: $182, found 6 days ago18 Dec: $209, found 5 days ago19 Dec: $252, found 5 days ago24 Dec: $209, found 6 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
2 Dec$179Alaska AirlinesSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)1 stopfound 6 days agoOpen this trip
3 Dec$175jetBlueSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)1 stopfound 2 days agoOpen this trip
6 Dec$165jetBlueSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)nonstopfound 3 days agoOpen this trip
8 Dec$127jetBlueSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)nonstopfound 3 days agoOpen this trip
10 Dec$182Alaska AirlinesSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)nonstopfound 6 days agoOpen this trip
18 Dec$209American AirlinesSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)1 stopfound 5 days agoOpen this trip
19 Dec$252Frontier AirlinesSan Francisco International Airport (SFO) → Newark Liberty International Airport (EWR)3 stopsfound 5 days agoOpen this trip
24 Dec$209American AirlinesSan Francisco International Airport (SFO) → John F. Kennedy International Airport (JFK)1 stopfound 6 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $127.

December 2026From $127Cheapest seen8 departure dates8 Dec · found 3 days agoOpen this trip
January 2027From $1391 departure date16 Jan 2027 · found 2 days agoOpen this trip
March 2027From $1961 departure date10 Mar 2027 · found 8 days agoSee prices for these dates
May 2027From $1918 departure dates19 May 2027 · found 5 days agoOpen this tripEvery date in May 2027
June 2027From $1991 departure date9 Jun 2027 · found 3 days agoOpen this trip
July 2027From $1961 departure date12 Jul 2027 · found 3 days agoOpen this trip
October 2027From $5041 departure date25 Oct 2027 · found 6 days agoOpen this trip

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work